Process for making and applying bottle caps or capsules.



A. J. L. LASSEN. PROCESS FOR MAKING AND APPLYING BOTTLE CAPS 0R CAPSULES.

APPLIOATION FILED UGJQ, 1909.

'1,045,41 5. Patented Nov. 26, 1912,,

.S A I Jg; .3 2

r Il AXEL JULIUS LAUBITS II'JASSIEN,

with the die 2. The

UNITED STATES PATENT OFFICE.

QF FBEDEBIKSBERG, NEAROPENHAGEN, DENMARK.

PROCESS FOB MAKING AND- AZPPLYING BOTTLEGAPS OB'CASULES.

` Sfeeioation of Letters Patent.

Ptented'NoV. 26, 1912.

Appliation tiled August 19, 1909? Serial' Nov 518,714.

To all whom 'it may concemr Be it known that I, AXEL LAssnN, a citizen-of the Kingdom ofl Denmark, residing in lirederiksberg,- near Copenhagen, in said` Kingdom,v have invented certain new vand useful Improvements in Processes for Making and pplyin Bottle Caps or Capsules, of whic the fo lowing is a specication.

This invention relates to a rocess ofmak ing bottle caps or capsules o metal andapplying them to the necks of bottles.

The object of this invention is to devise a process by which the cap mayl be cut out of a strip of metal with or wit out an inner lining or packing, formed and applied, all substantially simultaneously without any movement of the bottle from the beginning to the end of the operation. This object I accomplish by feeding the doubled or single strip of material over a die in the center of which is placed the mouth of the bottle and' stamping out the cap and forcing it over the bottle neck on the downward stroke of a hollow flexible inner lining and iinally-causin it to engage with the rims of the bottle neck. In the accompanying drawing, Figures 1 to 4 represent different steps of the process and show in vertical section the various parts which engage the strip to form and apply the cap, and Fig. 5 shows the bott neck after the cap is ap lied.

Similar reference c aiacters designate similar parts throughout the several views.-

The fixed table or plate 1 carries a cuttin die 2 held in place by an inwardly bevele locking rim 3. The internal diameter of the die 2 is equal to the diameter of the disk from which the bottle cap isfformed.

Within the die 2 is yieldably held the clamping ring-4 supported in aplate 5 which is normally held by a suitable spring or the like in the position shown in Fig. 1, but which to ether with the clamping ring may be move downwardly against the pressure of said spring to the position shown in Figs. 3 and 4.

A vertically movable punch 6 .coperates punch 6 is tubular an is lined with a thick elastic tube 7 of rubber or other elastic material. Anlinner annular flange l8 in the punch 6 prevents the tube 7 from bein forced out of the punch, and the sliding tu e 11 is adapted to move down- J ULiUs Lmnrrs' unch having an inwardly movale e inner lining to press against the cap to o'rcef wardly relative tothe length-ef the elastic tu by compression between the sliding tube 11 and the flange 8, whereby the elastic tube will increase its thickness as shown inFig. 4. A-yieldably pressed holder 12 is adapted for ment with the punch6.

In carrying out this process the bottle is held slightly lyielda'bly with its neck 13 concentric with the die 2, as shown.- The strip of metal 14 with or without a subjacent strip 15 of lining or packing is fed to cover the die-opening and the punch 6, the elastic tub'e 7, the flange 8, the sliding tube 11 and the holder 12 'are simultaneously lowered, the die and punch cutting out a disk-shaped ownward moveclindrical blankblank'16 from the strips 14 and 1:5, the' blank-holder pressing the inner portion of the blank against the mouth of the bottle and the circumferential portion thereof against the clamping ring 4 as clearly shown in I*`ig`.=2. This movement of the punch 6, the elastic tube '7, the flange 8,. the sliding tube-11 and the holder 12 continues until the blankhold'ery 12- presses against the center 'of theI blank, the ring 4 being forced downwardly by the punch 6, the clamping ring 4,

the punch 6, the elastic tube 7, the flange 8,

the slidin tube l1 and the disk 16 continue downwar ly the bottle neck 13 remaining stationary, and the blank is pulled from between the punch 6 and the ring 4, the uncompressed elastic tube 7 causing the blank to assume a cup-like shape, all as clearly shown in Fi 3. The downward movement of the punc 6, elastic tube 7, and sliding tube 11 is continued while the blank-holder presses upon the center-portion of the blank, and the clamping-ring 4 is forced downwardly by the punch 6. The bottle-neck remains stationary so that the circumferential portion of the blank is drawn through between the punch 6 and clamping-ring 4 onto the portion shown in Fig.

3, whereby the circumferential portion 1s subjected to a stretching operation in radial direction so that the formation of folds or creases in the downwardly-bent portion of the cap isl 0bviated and the accurate fitting of the cap to d the bottle-neck obtained. After the parts have reached this position the downward motion of the punch 6 and clamping-ring 4 is interrupted and the sliding tube 11 moved for a short distance in downward directionso as to compress the elastic tube 7 and reduce its consists of and press thereby the downwardly-bent of the bottle-neck into conformi? gagement with the exterior rims o as shown in Fig. 4. `rIhe bottle is then'rfe-l moved and the operative parts are returned to their initial position, as shown in Fig. 1. the strip 14 and lining forward for the re uired distance, the next blank cut ofi' and t e operation of drawing the blank onto and around thebottlemeck being repeated for times.

I claim:

1. The process herein described of applying bottle-caps to the necks of bottles, which the following successive steps,- feeding a strip of metal over the mouth of the bottle-neck cutting a disk-shaped blank from said strip, pressing the center-portion of the blank into contact with the rim of the bottle-neck, drawing the circumferential portion of the blank in downward direction over the bottle-neck and simultaneously stretching it in radial direction, and lastly, pressing the downwardly-drawn portion around the bottle-neck into engagement and the rims of the same.

herein described of applying bottle-ca s to the necks of bottles, which consists in ceding a strip of metal and a lining for the same over the mouth of a bottle, cutting a disk-shaped blank from said conformity with 2. The process and lining,

'ing folds or 15 being-then fed' any desired number of,

of the blankin portionof the blank inldownyvard'rdirection holding the central' portion l l contact with .the rimof the bottle-neck, drawing the', circumferential l 1 around the bottle-neck while simultaneously i stretching it in radial directionfor. preventcreases inthe vsanrie,Fand lastly,

pressing the so-b'ent and-,stretched.p'ortiou'l of the blankv around the bottl'eneckfinto conformity and engagement with the bottleneck. I

3. The process herein described of closing and sealing bottles, which consists of the following successive of metal over the mouth of the bottleneck, cutting a disk-shaped blank from said strip, pressing the center-portion of the blank into Contact with the top of the bottle-neck, drawing the circumferential portion of the blank in downward direction over the bottle-neck and simultaneously stretching it in radial direction, and mechanically pressing the downwardly-drawn portion around the bottleneck into engagement and conformity with the rim of the same.

In testimony, that I claim the foregoing as my invention, I have signed my name in presence of two subscribing witnesses.

AXEL JULIUS LAURITS LASSEN.

steps-feeding a strip. 

